Boletin de la Sociedad Matematica Mexicana

Fixed points of $$(varphi ,F)$$-weak contractions on metric-like spaces with applications to integral equations on time scales

Pub Date : 2021-07-01 DOI: 10.1007/S40590-021-00347-X S. Mohammed, M. Alansari, A. Azam, Shazia Kanwal

The coreflective hull of $$mathcal {U}$$-Fréchet spaces

Pub Date : 2021-07-01 DOI: 10.1007/S40590-021-00345-Z Angoa-Amador Juan, Contreras-Carreto Agustín, Vilchis-Montalvo Ivan Fernando

Algebra generated by Toeplitz operators with $${mathbb {T}}$$-invariant symbols

Pub Date : 2020-11-01 DOI: 10.1007/s40590-020-00306-y N. Vasilevski